Finding the Fourth Proportional to 68,537.10, 102,769.20 and 29,049.60
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Solution
The fourth proportional to 68,537.10, 102,769.20 and 29,049.60 is: 43,558.95
Step by Step Solution
- Step 1: Write the proportion equation
68,537.10 : 102,769.20 = 29,049.60 : x - Step 2: Convert to fraction form
68,537.10/102,769.20 = 29,049.60/x - Step 3: Cross multiply
68,537.10x = 102,769.20 × 29,049.60 - Step 4: Simplify right side
68,537.10x = 2,985,404,152.32 - Step 5: Solve for x
x = 2,985,404,152.32/68,537.10 - Step 6: Final answer
x = 43,558.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.